JPS61150562U - - Google Patents
Info
- Publication number
- JPS61150562U JPS61150562U JP3548585U JP3548585U JPS61150562U JP S61150562 U JPS61150562 U JP S61150562U JP 3548585 U JP3548585 U JP 3548585U JP 3548585 U JP3548585 U JP 3548585U JP S61150562 U JPS61150562 U JP S61150562U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- hydraulic pump
- oil
- priority valve
- flow priority
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003921 oil Substances 0.000 claims 5
- 239000010720 hydraulic oil Substances 0.000 claims 1
Landscapes
- Arrangement Of Transmissions (AREA)
- General Details Of Gearings (AREA)
Description
図面は本考案の一実施例を示し、第１図はトラ
クタの簡略側面図、第２図は要部の拡大図である
。
１……トラクタ車体、２……ミツシヨンケース
（油タンク）、５……作業機昇降用油圧装置、８
……油圧クラツチ式前後進切換装置（油圧装置）
、１１，１２……主・副油圧ポンプ、１４……吸
入管、１６……合流室、１９，２０……主・副吐
出管、２１……フロープライオリテイバルブ。
The drawings show one embodiment of the present invention, with FIG. 1 being a simplified side view of the tractor, and FIG. 2 being an enlarged view of the main parts. 1... Tractor body, 2... Mission case (oil tank), 5... Hydraulic system for lifting and lowering work equipment, 8
...Hydraulic clutch type forward/backward switching device (hydraulic device)
, 11, 12...Main and auxiliary hydraulic pumps, 14...Suction pipes, 16...Combining chambers, 19, 20...Main and auxiliary discharge pipes, 21...Flow priority valves.
Claims (1)
接続し、油圧ポンプ１２と油圧装置８間の油路に
、油圧ポンプ１２から油圧装置８に一定量に油圧
油を供給するフロープライオリテイバルブ２１を
介装したものにおいて、フロープライオリテイバ
ルブ２１からの余剰油を、油圧ポンプ１２と油タ
ンク２間の油路の油圧ポンプ１２近傍個所に戻す
ようにしたことを特徴とする油圧回路装置。 A flow priority valve 21 connects the hydraulic pump 12 and the oil tank 2 with a suction pipe 14 and supplies a constant amount of hydraulic oil from the hydraulic pump 12 to the hydraulic device 8 in an oil path between the hydraulic pump 12 and the hydraulic device 8. A hydraulic circuit device equipped with a flow priority valve 21, characterized in that surplus oil from a flow priority valve 21 is returned to a location near the hydraulic pump 12 in an oil path between the hydraulic pump 12 and the oil tank 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3548585U JPS61150562U (en) | 1985-03-12 | 1985-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3548585U JPS61150562U (en) | 1985-03-12 | 1985-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61150562U true JPS61150562U (en) | 1986-09-17 |
Family
ID=30539807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3548585U Pending JPS61150562U (en) | 1985-03-12 | 1985-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61150562U (en) |
-
1985
- 1985-03-12 JP JP3548585U patent/JPS61150562U/ja active Pending
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